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CT Input/Potentiometer
When using the HBA function on the E5EK-AA2 Controller, connect CT input (CT) to terminal numbers 15 to 17. When monitoring the valve opening
on the E5EK-PRR2 Controller, connect the potentiometer (PTMR) to terminal numbers 15 to 17. Connect each of these inputs as follows:
10
20
21 22
9
19
8
18
7
17
6
16
5
15
4
14
3
13
2
12
23
1
11
For details on CT inputs, refer to Appendix, About Current Transformer in the E5AK/E5EK User's Manual (H83/H85). For details on the potentiom-
eter, refer to the Instruction Manual for the valve connected to the Controller. The variable resistance range is 100
Remote SP Input
Connect the input (RSP) to be used as the remote SP to terminal numbers 15 and 16. However, note that the remote SP cannot be used on the
E5EK-PRR2 Controller. Only 4 to 20 mA inputs can be connected. Connect the input as follows:
10
20
21 22
9
19
8
18
7
17
6
16
5
15
4
14
3
13
2
12
23
1
11
Event Input
Connect event inputs 1 and 2 (EV1/2) to terminal numbers 18 to 20. However, note that terminal numbers 18 to 20 cannot be used on Controllers
with a communications function. Connect the event inputs as follows:
10
20
21 22
9
19
8
18
7
17
6
16
5
15
4
14
3
13
2
12
23
1
11
Use event inputs under the following conditions:
Contact input
ON:
1 k
No-contact input
ON:
Residual voltage 1.5 V max.,
OFF: Leakage current 0.1 mA max.
18
Digital Controller
17
16
15
CT input
+
16
4 to 20 mA
15
+
EV1
20
+
EV2
19
COM
18
Event input 1 and 2
max., OFF: 100 k min.
E5AK/E5EK
O
17
W
16
C
15
Potentiometer
to 2.5 k .
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